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Physiology of Capnography
Bhavani Shankar Kodali MD
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Fast or Regular Capnogram |
A Trend Capnogram |
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A time capnogram may be recorded at two speeds. A high speed capnogram (about 7mm.sec-1) gives detailed information about each breath whereas the overall CO2 changes (trend) can be followed at a slow (about 0.7 mm.sec-1) speed.1
Reference:
1.Bhavani Shankar K, Moseley H, Kumar AY, Delph Y. Capnometry and anaesthesia. Can J Anaesth 1992;39:6:617-32.
